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Towards a new understanding of elasmobranch hearing

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Abstract

Elasmobranchs are of important global conservation concern, however their hearing abilities, use of sound, and responses to anthropogenic noise pollution are all vastly understudied, despite noise pollution being an ever-increasing concern to global fish populations. This review focuses on the hearing ability of elasmobranchs and their attraction and avoidance response to sound. The benefits and drawbacks of field vs laboratory studies are discussed in this review, along with an estimate of the minimum sound detection distance of elasmobranchs (using lemon sharks as a model). Some important practical applications of sound on elasmobranch conservation efforts are outlined (potential deterrence for bycatch and the rare occurrence of shark attacks) and future research suggestions are provided.

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Acknowledgements

We would like to acknowledge Grace Dycha for her contribution to the drawings in Fig. 1. We would like to thank Almir Kalajdzic for editing the review. We would also acknowledge our source of funding, NSERC, and the reviewers for taking the time to improve this review paper.

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MM (collected data from current literature and contributed to majority of the writing). DH (edited the review, wrote the section: “How far away can sound be detected by elasmobranchs”, completed the modelling and created Figs. 2, 3).

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Correspondence to Megan F. Mickle.

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Responsible Editor: J. Carlson.

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Mickle, M.F., Higgs, D.M. Towards a new understanding of elasmobranch hearing. Mar Biol 169, 12 (2022). https://doi.org/10.1007/s00227-021-03996-8

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  • DOI: https://doi.org/10.1007/s00227-021-03996-8

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